baber/WOPTO huggingface dataset:
Patent GB-420713-A (GB)
Title: Process and apparatus for the manufacture of gas from oil
IPC: C10G9/00
Filed: 1933-10-12
Abstract: 420,713. Oil-gas generation. CARBURETTED GAS, Inc., 19, Dover Green, Dover, Delaware, U.S.A. Oct. 12, 1933, No. 28267. Convention date, Oct. 22, 1932. [Class 55 (ii)] In the production of oil-gas from oil at a pressure of 250 lbs. per square inch or more heated in a pipe still 1 to a temperature of 600‹ F. or over, the oil, kept in liquid form under these conditions, is fed to an externally heated vaporizer 5 wherein the pressure of the oil is released and the liquid immediately vaporized. The vaporizer is heated by gases from a furnace 2 which after circulating around the vaporizer pass through pipe 7 to the still where they are utilized in heating the oil. The oil gas at a temperature of 800‹ F. may be raised in temperature to 1300‹ F. in a heater, also heated by the gases from furnace 2, before admixture with manufacture gas of low calorific value. In an example of a complete carburetted gas plant, the oil gas of the above system flows directly into a carburetter 15, Fig. 3, attached to a generator 14 wherein a carbon monoxide-hydrogen gas mixture is produced by the internal combustion of regulated quantities of oil, oxygen and steam. The temperature of the latter gas is reduced by the injection of further quantities of oil and steam at 16 and also by the admission of the oil gas to the carburetter. The resulting enriched gas mixture at a temperature of about 1300‹ F. is used for heating the vaporizer and the pipe still before being discharged at 19 at a temperature of about 800‹ F.
Patent GB-362051-A (GB)
Title: Improvements in or relating to garment patterns
IPC: A41H3/00
Filed: 1930-09-22
Abstract: 362,051. Garment patterns. STACK, N. I., 41, West 35th Street, New York, U.S.A. Sept. 22, 1930, No. 28280. [Class 141.] A foundation pattern for garments comprises a closefitting coat-like form which has a neck-band e, armholes, &c., and opens at the front b where fastening devices, .such as hooks and eyes, are provided. The form is preferablv made of unbleached muslin. After the form has been placed on the wearer, it is marked with hip lines f, h, waist line l, hem line g, bust line j, and centre back line k. The fullness of the bust is taken up by darts m, n. The foundation pattern thus produced is subsequently used for the preparation of garment patterns of varying designs for the particular wearer. With the pattern arranged on a dress form, or, as shown, laid out flat, the design pattern is fitted to it piece by piece, alterations in the design pattern being made as needed to conform it to the lines of the foundation pattern. In the case shown, a design pattern is draped over one half of the foundation pattern.
Patent GB-654382-A (GB)
Title: Improvements in radio systems for navigation purposes
IPC: G01S1/22
Filed: 1947-10-23
Abstract: 654,382. Radio navigation. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAM. PENFABRIEKEN. Oct. 23, 1947, No. 28360. Convention date, Dec. 9, 1939. Drawings to Specification. [Class 40 (vii)] The invention relates to radio navigation systems in which frequency-modulated carrier waves are transmitted from two spaced synchronized or isochronized stations. The frequency modulating voltages used may be of saw-tooth form and at a receiver a heterodyne frequency is obtained of a value dependent on the difference between the distances of the receiver from the two stations. The system thus defines hyperbolic positional lines. According to the invention the frequency-deviation is cyclically varied so that the heterodyne frequency at a given receiving position coincides periodically with a harmonic of the instantaneous modulation. It is known that the amplitude of the heterodyne oscillation is much greater if the heterodyne frequency is a harmonic of the modulation frequency and thus the invention improves the efficiency of the system. If the deviation is cyclically varied and the modulation frequency maintained constant the heterodyne frequency will no longer be constant at a given reception position but will vary cyclically, however, the error arising from this may be made small by making the range of cyclic variation small. Alternatively the modulation frequency may be varied in correspondence with the variation of the frequency deviation to maintain the heterodyne frequency at a given position constant.
Patent GB-760938-A (GB)
Title: Classification device
IPC: B42F17/00
Filed: 1953-10-14
Abstract: 760,938. Indicators. NASH, F. A. Dec. 20, 1964 [Oct. 14, 1953], No. 28388/63. Class 118 (1). An indicator for assisting in classification is described for the diagnosis of diseases and comprises a frame into which may be placed strips 3 each marked with a described symptom, and an index 2 of diseases. A cursor 6 moving over the strips is used to align lateral lines at Y and Z for example on the symptom strips with the disease index. In a modification the members 3 may be discs with marked peripheries mounted to rotate together in the frame.
Patent GB-324712-A (GB)
Title: Improvements in and relating to earthenware bottles commonly known as foot warmers
IPC: A61F7/08
Filed: 1929-08-03
Abstract: 324,712. Buchanan, J., and Buchan, C. Aug. 3, 1929. Handles. - An earthenware bottle is provided with a filling aperture a of funnel shape, which also serves as a handle. The threaded neck b is substantially longer than the thickness of the wall. Reference has been directed by the Comptroller to Specification 25301/09.
Patent GB-395679-A (GB)
Title: Improvements in scavenging and super-charging devices for internal combustion engines
IPC: D06P3/82
Filed: 1931-10-14
Abstract: 395,679. Rotary compressors. SCHNœRLE, A., 91, Moltkestrasse, Cannstatt, Stuttgart, Germany. Oct. 14, 1931, No. 28574. Convention date, Oct. 15, 1930. Void [Published under Sect. 91 of the Acts]. [Class 110 (ii).] In a supercharger or scavenging device a rotor a on a shaft a<1> moves in contact with parallel inclined side walls b<1>, b2 of a fixed casing, and a diametral blade d, which is located in a slot in the rotor, moves around an axis XX. A pin e on which the blade rocks secures the blade in position. The inlet ports extend for about 90‹ round a side wall, and the discharge ports for a smaller angle. The leading edge of the discharge port is so positioned that the pressure in the compressor corresponds, in the case of two-stroke engines, to the scavenging pressure, and in four-stroke engines, to the supercharging pressure. The compressor may be located on the shaft of an internal-combustion engine at the opposite end to the flywheel, or may have a thickened periphery to act as the flywheel. The rotor may be hollow or formed of light metal, and may be located on a shaft separate from the engine shaft.
Patent GB-1515553-A (GB)
Title: Optical illumination device
IPC: G02B23/10
Filed: 1975-07-07
Abstract: 1515553 Optical illumination device FRANCE ARMED FORCES MINISTER OF 7 July 1975 [11 July 1974] 28600/75 Heading G2J An illumination device for an optical instrument comprises a transparent body 1 carrying a pattern (engraved marks 5), and photodiode(s) 10 arranged to emit into the body light beam(s) having a predetermined solid angle, the arrangement being such that light from the diode can leave the body only via the pattern, see Figs. 1 and 2 (not shown). The light flux of the associated instrument is indicated by L, and opposed faces 2, 3 of the body 1 may be plane or spherical, while its side edge 11, which is metallized, may be cylindrical or part of a quadric, focus F, as shown. The output of the diode(s) may be controlled, through a lightsensitive device (12), by the light L, see Fig. 4 (not shown). In a modification, Fig. 5 (not shown), the diodes (20) and engraving (18) lie on the opposite plane faces of the body which is located out of the direct line of the light L, a semi-reflecting plate (21) being employed.
Patent GB-634609-A (GB)
Title: Improvements in the production of polyesters
IPC: C08G63/672
Filed: 1946-11-12
Abstract: Polyesters are prepared by heating an excess over 2 moles. of a halogen hydrin of a volatile glycol with a mol. of a salt of a strong base with a dicarboxylic acid which is a p : p1-dicarboxy derivative of a benzene compound or of a compound containing two benzene rings linked together directly or through carbon, oxygen or sulphur atoms, separating the halide salt of the strong base, if desired working up the reaction product to form the pure bis-glycol ester of the dicarboxylic acid, and finally heating, preferably at 220-280 DEG  C. under high vacuum, to produce a polymer.  Suitable dicarboxylic acids include terephthalic acid, 2 : 51-dichlorterephthalic acid, 4 : 41 - dicarboxy - diphenyl, 4 : 41-dicarboxy-3 : 31-dimethyl-diphenyl, a  : o -bis-(paracarboxy-phenyl)-alkanes and a  : o -bis - (paracarboxyphenoxy) - alkanes.  Suitable halogen hydrins are o -hydroxyalkyl chlorides and bromides.  Propylene chlorhydrin is also suitable.  The step of heating to produce the polyester is conveniently carried out in the presence of an ester exchange catalyst such as alkali metal, magnesium or tin.  The polymers may be drawn out into filaments and may be used with sulphonamide, phenolic, urea and thiourea plasticizers.  In examples: (1), (2) and (3) terephthalic acid dissolved in aqueous sodium hydroxide is heated with ethylene chlorhydrin, in the presence of a small quantity of sodium iodide, the bis-b -hydroxyethyl terephthalate is isolated and is heated in the presence of metallic magnesium to give a filament forming polymer; and (4) crude bis-b -hydroxyethyl terephthalate is formed as in (1) and is converted directly to the polyester without being isolated.ALSO:Bis-glycol esters of dicarboxylic acids which are p : p1-dicarboxy derivatives of compounds containing a single benzene ring or of compounds containing two benzene rings linked together directly or through carbon, oxygen or sulphur atoms, e.g. terephthalic acid, 2 : 5-dichloroterephthalic acid, 4 : 41 - dicarboxy - diphenyl, 4 : 41 - dicarboxy - 3 : 31 - dimethyl-diphenyl, a  : o  - bis - (paracarboxyphenyl) - alkanes and a  : b -bis-(paracarboxyphenoxy)-alkanes are prepared by heating the sodium or other salt of the dicarboxylic acid and a strong base with an excess over two molecules of the halogen hydrin of the glycol, separating the sodium halide or other halide salt and isolating the ester formed.  Suitable halogen hydrins are o -hydroxyalkyl bromides or chlorides, but propylene chlorhydrin may also be used.  In examples: (1) and (2) terephthalic acid dissolved in aqueous caustic soda is heated with ethylene chlorhydrin in the presence of a small quantity of sodium iodide to give bis-b -hydroxyethyl terephthalate; and (4) the reaction of (1) is repeated and the crude ester is converted directly to a polyester.
Patent GB-212851-A (GB)
Title: Improvements in weaving looms provided with divided battens
IPC: D03D41/00
Filed: 1923-09-28
Abstract: 212,851. Poyser, J., and Poyser, J. B. S. Sept. 28, 1923. No Patent granted (Sealing fee not paid). Beat-up motions; lays; reeds. - In looms of the type comprising a divided batten having upper and lower displaceable portions 17, 18, Fig. 1, each provided with reeds or plates 19, the reeds overlap and the part 18 is fixed to a spindle 20 operated by lever mechanism from cams 5, Fig. 3, on the driving shaft 3, Figs. 1 and 3, its rearward movement being limited by a stop 28, the batten being then fully opened to allow the weft to be inserted by the shuttle. When the part 18 moves forwards and closes the batten, it contacts with a stop pin &c. 29 on the upper part 17, which is thereupon pressed forward against the action of one or more springs 21 and the weft is beaten up. The shuttle is provided with a weft-laying finger 43 and a conical cop 14<a> and is operated by pickers 11, each having an upwardly projecting tooth. The pickers have a roller &c. traversing a cam-slot in a side cheek 13 of a curved shuttle race. The pickers are pivoted on a picker-lever 9 pivoted at 10 having a cone-shaped pulley operated by a cam 7 on the shaft 3.
Patent GB-1380550-A (GB)
Title: Hydraulic booster
IPC: B60T13/16
Filed: 1973-06-18
Abstract: 1380550 Hydraulic boosters BENDIX CORP 18 June 1973 [12 July 1972] 28786/73 Heading F2F A master cylinder operating piston is actuated by fluid in a chamber 14 supplied from a pressure source via an inlet 26 controlled by an operatoroperated valve actuatable from a first position for flow between the inlet and an outlet 30 but not to the chamber, to a second position for inlet-chamber flow to move the piston, there being a by-pass passage 70, providing a finite flow between the inlet and outlet in this position, including a flow restricting orifice 74, a cavity 72, and a diffuser passage 76 respectively in the flow direction. The valve, in the form of a spool 24, in the first position communicates the chamber 14 with a return line 34 leading to a reservoir for a steering gear pump 28. Upon actuation, a lever 92 moves the spool 24 leftwardly to communicate a groove 36 with a groove 46 for fluid to flow from the inlet 30 via passages 52, 54, 56 to the chamber 14. Abutment of lands 42, 48 blocks inlet-outlet flow, but the by-pass passage 70 provides a path therefor. The restrictor 74 provides 95% of pressure drop between the inlet 26 and the outlet 30 and the diffuser passage defined by a shallow groove 76 for flow restriction provides 25% thereof. Flow noise is diminished thereby. Subsequent piston movement moves the lever 92 about a pivot 98, via a bracket 94 and a pivot 90 to -slide the spool 24 back to the first position for pressure balancing. Upon heavy braking, the spool 24 abuts a stop 68 and upon further actuation, a sleeve 58 covers radial passages 56 to block communication to the chamber 14 to avoid over pressurization thereof. In this condition, to avoid pressure leakage from the chamber 14 to the outlet 30, a radial passage 82 and a groove 80 provide high pressure contact with a face of the housing. Direct mechanical operation of the piston 16 is obtainable if a pressure failure occurs.
Patent GB-712341-A (GB)
Title: Post-operation drainage receiver
IPC: A61F5/445
Filed: 1951-12-07
Abstract: 712,341. Colostomy appliances. GAILLARD, S. Dec. 12, 1952 [Dec. 7, 1951], No. 28788/51. Class 81(2) A colostomy receiver comprises a flat tube 1 of flexible, waterproof synthetic material, such as polythene, the lower end 2 of which is heat sealed, while at the upper end of one side there is a circular hole 4 which is suitably reinforced by an additional sheet of material 5. The latter may be of the same material as the bag but is preferably of adhesive plaster. When in use, the upper end is folded over or may be closed by a clip. In an alternative form the lower end is only partially sealed, so as to provide an emptying spout.
Patent GB-737066-A (GB)
Title: An hydraulically controlled copy shaping machine
Inventor: MASCHERPA ANTONIO
IPC: B23Q35/00
Filed: 1953-10-19
Abstract: 737,066. Copy-planing. MAXNOVO MECCANICADI PRECISIONE SOC. PER AZIONI. Oct. 19, 1953, No. 28836/53. Class 83 (3). A hydraulic copy-shaping machine comprises a hydraulic cylinder 18 and piston 17 for moving a vertical slide 3 under the control of a feeler 13 in a valve casing 12 fixed to the machine framing, and a cross-slide 5 movable horizontally on the slide 3 and carrying a template 14 and the work 26. The slide 5 is moved to traverse the template 14 beneath the feeler 13 while the tool 7 is reciprocated to shape the work 26. Fluid is supplied to the valve by a motor-driven pump 21. The work-holder 6 may be set at an angle to the slide 5 to assist the tracer in surmounting steep portions of the template. In a modification, the valve casing 12, Fig. 4, is adjustable vertically and the template 14 is adjustable longitudinally on a bracket 15 adjustable vertically on the workholder 6. The vertical slide 3 is attached to, and moved by, two pistons 17 coacting with cylinder 18 attached to a vertically adjustable cross-piece 30.
Patent GB-1039468-A (GB)
Title: Improvements in and relating to the preparation of vinylidene fluoride
IPC: C07C21/18
Filed: 1963-07-22
Abstract: Vinylidene fluoride is prepared by heating a bromo-1,1-difluoroethane to a temperature below 600 DEG  C., preferably fron 500 DEG  to 550 DEG  C., maintaining the bromodifluoroethane at this temperature for a period of time below 60 seconds preferably between 5 and 30 seconds, and under a pressure which is near to atmospheric pressure, the vinylidene fluoride product being separated by conventional procedures.  The bromo-1,1-difluoroethane may be prepared in situ by reacting together bromine and 1,1-difluoroethane in a molar ratio of slightly less than 1:1 at a temperature of from 350 DEG  to 500 DEG C., the bromodifluoroethane being subsequently pyrolysed in the same or in a separate vessel. Examples are given.  Comparative examples describe the pyrolysis of 1-chloro-1,1-difluoroethane to produce vinylidene fluoride and 1-chloro-1-fluoroethylene.
Patent GB-857182-A (GB)
Title: Thorium-free optical glass
IPC: C03C3/155
Filed: 1959-08-25
Abstract: 857,182. Optical glass compositions. ZEISSSTIFTUNG, C., [trading as JENAER GLASWERK SCHOTT & GEN.]. Aug. 25, 1959 [Aug. 26, 1958], No. 29086/59. Drawings to Specification. Class 56. A thorium-free optical glass which consists of B 2 O 3  and La 2 O 3  and Ta 2 O 5  and/or ZrO 2  wherein the contents are in the following ranges by weight percentage: B 2 O 3  20-40; LazOs (44-0À04 (ZrO 2 )<SP>2</SP>)-60 ; TazOs 0-31 and ZrO 2  0-12, the combined Ta 2 O 5  and ZrO 2  being at least 4 and wherein the La 2 O 3  is further limited according to the following Table I, and the Ta 2 O 5  being determined according to the desired refraction nd of the glass according to the following Table II, the values in each case being interpolable graphically. Preferably the La 2 O 3  content is not less than and the ZrOz content is as high as possible. The oxides are melted in a platinum crucible between 1300 and 1400‹C., the melt refined at about 20‹C. higher and cooled with stirring to between 1000 and 1100‹C., poured into a steel mould, and allowed to cool slowly. A number of particular examples of compositions are given.
Patent GB-1038465-A (GB)
Title: Improvements in or relating to refrigeration systems
IPC: F25B41/06
Filed: 1963-07-23
Abstract: 1,038,465. Refrigerating. REMINGTON CORPORATION. July 23, 1963 [July 25, 1962], No. 29133/63. Heading F4H. In a compression-type refrigerating system having a capillary tube 8 between the condenser 4 and evaporator 12, a valve 20 is connected in parallel with the capillary. The valve is adapted to open when the evaporator temperature falls below about 33 F. to supply additional liquid refrigerant to the evaporator to maintain the temperature therein above freezing. The valve may be controlled in response to the evaporator temperature or pressure or the ambient air temperature.
Patent GB-716369-A (GB)
Title: Photographic methods of making fine lined screens
IPC: G03C5/16
Filed: 1950-11-29
Abstract: 716,369. Photographically produced line screens. KODAK, Ltd. Nov. 29, 1950 [Nov. 30, 1949], No. 29164/50. Drawings to Specification. Classes 98(1) and 98(2) A film or plate bearing a sensitive emulsion is exposed by radiant energy passing edgewise through a stack of alternate opaque and transparent strips of material in face to face relation to each other and the emulsion is processed to produce a line screen. Normally this screen is regarded as a negative and a positive copy is made therefrom. An ordinary light-sensitive emulsion and opaque and transparent strips, with visible light for exposure may be used; but X-ray technique, with opaque strips as of lead and transparent strips of copper or steel, is preferred. Processing may include reversal to give a positive directly, there being no limitation in the period of application of the X-rays. A screen with transparent lines 0.001 inch wide separated by opaque lines 0.029 inch wide, or even one with transparent lines 0.0005 inch wide may be made. Specification 716,365 is referred to.
Patent GB-261765-A (GB)
IPC: B62D25/00
Filed: 1926-11-18
Abstract: 261,765. Bollack, L. A. Nov. 19, 1925, [Convention date]. Suspending and mounting bodies.-The body of a motor vehicle, including the wings, running boards, radiator or radiator casing, and petrol, is carried by a frame which is supported, without the interposition of springs or resilient devices, on the chassis-frameat three points, one at the front and two at the rear thereof. The front connection d of the body-frame b to the chassis-frame a comprises a link, pivot, roller, or universal joint situated on the longitudinal axis of the vehicle. The side members of the frame b are, towards their rear ends, connected by a transverse member k which is supported at e, f on the frame a by universal or rigid connections. The member k may be replaced by straps connecting the side members of the frames a, b. The rear connections between the two frames are preferably situated near the rear suspension springs or in a vertical plane passing through the centre of gravity of the load.
Patent GB-1305115-A (GB)
IPC: C03C1/04
Filed: 1970-06-16
Abstract: 1305115 Strengthening opal glass CARL ZEISS - STIFTUNG [trading as JENAER GLASWERK SCHOTT & GEN] 16 June 1970 [23 June 1969] 29202/70 Addition to 1246384 Heading C1M A strengthened opal glass article is formed by (1) melting a batch having a composition comprising (weight per cent) SiO 2  59-81; B 2 O 3  11-22À5; Al 2 O 3  5À9-24; Alkaline Earth Metal Oxide(s) 0-8; Alkali Metal Oxide(s) at least 2, together with a clouding agent, to form a glass having a linear expansion coefficient of below 60 Î 10<SP>-7</SP>/‹ C., and (2) strengthening the glass by an ion exchange process known per se. The clouding agent may be P 2 O 5  (0À25-6%) or F or a fluorine compound (F 0À8-8À7%). The ion exchange may be with molten NaNO 3  at 75‹ C. below the glass transformation temperature.
Patent GB-909027-A (GB)
Title: Honing unit for rotary shavers
IPC: B26B19/38
Filed: 1961-08-15
Abstract: 909,027. Honing rotary razor cutting elements. WHEELER, R. R. Aug.15, 1961 [Sept. 9, 1960], No. 29412/61. Class 60. A honing unit 14 for sharpening the cutting edges of the spoked cutting element of a rotary shaver, or the inner surface of the skin guard, comprises an elongated holder 16, Fig. 1, having means at one end, 18, for drivingly receiving the projecting end 12 of the shaving mechanism shaft and abrading means 20 at the other end which engages the cutting edges of the spoked element 24, or the inner surface of the skin guard 36, Fig. 3, when either of these elements is held fixedly in contact with the rotating abrading means. The spoked element 24 is held against rotation by a projection 30 on the bottom of a housing 28 into which the element is placed with the honing device 14 above it; the skin guard 36 is held manually against the abrasive element 20 whilst the holder 16, removed from the housing 28, is rotated by the razor drive shaft 12. The housing 28 has a magnifying glass or like cover 42, Fig. 7, whereby the sharpened element 24 may be inspected after removal of the honing unit 14.